Overview
overview
5Static
static
5SteamUI_402.rar
windows10-2004-x64
1SteamUI_402.rar
windows11-ltsc_2024-x64
1CSERHelper.dll
windows10-2004-x64
3CSERHelper.dll
windows11-ltsc_2024-x64
3GameOverla...er.dll
windows10-2004-x64
3GameOverla...er.dll
windows11-ltsc_2024-x64
3GameOverlayUI.exe
windows10-2004-x64
3GameOverlayUI.exe
windows11-ltsc_2024-x64
3Public/Account.html
windows10-2004-x64
3Public/Account.html
windows11-ltsc_2024-x64
3Public/ssa...sh.htm
windows10-2004-x64
3Public/ssa...sh.htm
windows11-ltsc_2024-x64
3Public/ssa_french.htm
windows10-2004-x64
3Public/ssa_french.htm
windows11-ltsc_2024-x64
3Public/ssa_german.htm
windows10-2004-x64
3Public/ssa_german.htm
windows11-ltsc_2024-x64
3Public/ssa...an.htm
windows10-2004-x64
3Public/ssa...an.htm
windows11-ltsc_2024-x64
3Public/ssa...an.htm
windows10-2004-x64
3Public/ssa...an.htm
windows11-ltsc_2024-x64
3Public/ssa...sh.htm
windows10-2004-x64
3Public/ssa...sh.htm
windows11-ltsc_2024-x64
3Steam.dll
windows10-2004-x64
3Steam.dll
windows11-ltsc_2024-x64
3Steam.exe
windows10-2004-x64
3Steam.exe
windows11-ltsc_2024-x64
3SteamUI.dll
windows10-2004-x64
3SteamUI.dll
windows11-ltsc_2024-x64
3WriteMiniDump.exe
windows10-2004-x64
3WriteMiniDump.exe
windows11-ltsc_2024-x64
3bin/FileSy...am.dll
windows10-2004-x64
3bin/FileSy...am.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 03:33
Static task
static1
Behavioral task
behavioral1
Sample
SteamUI_402.rar
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
SteamUI_402.rar
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
CSERHelper.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
CSERHelper.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
GameOverlayRenderer.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
GameOverlayRenderer.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral7
Sample
GameOverlayUI.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
GameOverlayUI.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Public/Account.html
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Public/Account.html
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
Public/ssa_english.htm
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Public/ssa_english.htm
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
Public/ssa_french.htm
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Public/ssa_french.htm
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
Public/ssa_german.htm
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
Public/ssa_german.htm
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
Public/ssa_italian.htm
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
Public/ssa_italian.htm
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
Public/ssa_russian.htm
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
Public/ssa_russian.htm
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
Public/ssa_spanish.htm
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
Public/ssa_spanish.htm
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
Steam.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
Steam.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
Steam.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
Steam.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
SteamUI.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
SteamUI.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
WriteMiniDump.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
WriteMiniDump.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral31
Sample
bin/FileSystem_Steam.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
bin/FileSystem_Steam.dll
Resource
win11ltsc2024-20260710-en
General
- Target SteamUI.dll
- Size 2.6MB
- Sample260823-d39sdsxtcs
- SHA256 c24a209edd8bd42a189b36053aeaf0ef3838e479d461c8ce4a9f3d4785f6e6da
- MD5 8f47e44e1da7fa4767108f39f16116ec
- SHA1 eebfc02d163c87dc68beac8f9a27c38ddf4c356b
- SHA512 c0ef102bb1b7b7c4eb4acc21b7969834ec1d2cea8114a0fd484f7f3aacd80553752497bd1bc9f5382718b2c366a51b5b41a48b121b2f3b9447e2942df9d822a7
- SSDEEP 24576:0DVIQbfY7YM0EqZFGaxs4tNtcX5LRQxRdV3c79aM4kO+SBtNucKUIVHcawL4fl+D:sbptrt7KUFL4flj4WZAy15n7R9Ocvajt
- TLSH T140C59D20AAE4C0F2E79E05BC1315631D58BB4A5613141EE38B9D2BC739612E16DFE39F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 6564 5412 WerFault.exe 90 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2596 wrote to memory of 5412 2596 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\SteamUI.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\SteamUI.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5412 -s 6363⤵
- Program crash
PID:6564
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5320
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5412 -ip 54121⤵PID:2764